Across
- 3. elements tend to bond in such a way that each atom has eight electrons in its valence shell
- 4. a large molecule made up of chains or rings of linked repeating subunits
- 7. one or more atoms of carbon are covalently linked to atoms of other elements
- 8. seven unique molecules that are composed of two atoms
- 11. two or more nonmetal atoms bond by sharing valence electrons
- 14. a model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
- 17. a compound made up of two elements
- 21. chemical bond between two chemical elements involving four bonding electrons
Down
- 1. diagrams that show the bonding between atoms of a molecule
- 2. a type of bond that occurs when two atoms share a pair of electrons with each other
- 5. a representation of a substance using symbols for its constituent elements
- 6. a chemical link between two atoms or ions in which the electron pairs are shared
- 9. a measure of how strongly atoms attract bonding electrons to themselves
- 10. ion composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit
- 12. the amount of energy required to break apart a mole of molecules into its component atoms
- 13. a chemical bond between two atoms involving six bonding electrons
- 15. a chemical bond between two atoms involving two valence electrons
- 16. a pair of valence electrons that are not shared with another atom in a covalent bond
- 18. Any of several forces, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.
- 19. covalent bond between two atoms where the electrons forming the bond are unequally distributed
- 20. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
